8815925 has 6 divisors (see below), whose sum is σ = 10931778. Its totient is φ = 7052720.

The previous prime is 8815909. The next prime is 8815949. The reversal of 8815925 is 5295188.

It can be written as a sum of positive squares in 3 ways, for example, as 18769 + 8797156 = 137^2 + 2966^2 .

It is not a de Polignac number, because 8815925 - 2⁴ = 8815909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176294 + ... + 176343.

It is an arithmetic number, because the mean of its divisors is an integer number (1821963).

Almost surely, 2^8815925 is an apocalyptic number.

It is an amenable number.

8815925 is a deficient number, since it is larger than the sum of its proper divisors (2115853).

8815925 is a wasteful number, since it uses less digits than its factorization.

8815925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352647 (or 352642 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 8815925 is about 2969.1623397854. The cubic root of 8815925 is about 206.5804863824.

The spelling of 8815925 in words is "eight million, eight hundred fifteen thousand, nine hundred twenty-five".